Vitamin C is one of the most popular products used to combat the common cold. But does it work? Greg Foot reviews the evidence for both vitamin C and zinc to see if they are The Best Thing Since Sliced Bread.

He’s joined again by podcaster, rapper and actor Scroobius Pip and virologist Wendy Barclay from Imperial College London. The team will be giving you their Top Tips, backed by real scientific evidence, for beating the winter bugs.

Presenter: Greg Foot

Producer: Michelle Martin

Researcher: Amelia West

Studio Managers: Emma Harth, John Boland

Editors: Deborah Cohen, Rami Tzabar

The Best Thing Since Sliced Bread is a BBC Science Radio Unit Production.

With offices and schools set to a soundtrack of sniffles, science presenter and YouTuber Greg Foot is on mission to find 'The Best Thing Since Sliced Bread' to beat the winter bugs.

Joining him for this double episode is rapper, podcaster and actor Scroobius Pip, a man for whom protecting his voice is a professional priority. Under the microscope today are those handy hand sanitisers that promise to stop bacteria and viruses in their tracks.

Virologist Wendy Barclay from Imperial College London and microbiologist Lindsay Hall from the Quadram Institute in Norwich are both on hand to help separate the facts from the fads, to decide if these products really are The Best Thing Since Sliced Bread.

Presenter: Greg Foot

Producer: Michelle Martin

Researcher: Amelia West

Studio Managers: Emma Harth, John Boland

Editors: Deborah Cohen, Rami Tzabar

The Best Thing Since Sliced Bread is a BBC Science Radio Unit Production.

Will activated charcoal, which these days can be found in everything from face creams to smoothies, really purify your pores? Science presenter and YouTuber Greg Foot is on a mission to bust marketing BS, looking for the facts behind the fads and challenging products’ bold claims with scientific evidence.

In the second episode, Greg is joined by actress and beauty blogger Rebecca Humphries, consultant dermatologist Dr Emma Wedgeworth and Cambridge Professor of Chemistry, Melinda Duer to explore the science behind activated charcoal - could it act as a 'magnet' to draw out dirt and pollution from your pores as some products claim?

Presenter: Greg Foot

Producer: Graihagh Jackson

Studio Manager: John Boland

Editor: Rami Tzabar

The Best Thing Since Sliced Bread is a BBC Science Radio Unit Production

Can collagen face cream reduce wrinkles and make your skin more youthful? Science presenter and YouTuber Greg Foot is on a mission to bust marketing BS, looking for the facts behind the fads and challenging products’ bold claims with scientific evidence.

In the first episode, Greg is joined by actress and beauty blogger Rebecca Humphries, consultant dermatologist Dr Emma Wedgeworth and Cambridge Professor of Chemistry, Melinda Duer to explore the science behind collagen face creams – can they really ‘boost’ and ‘support’ collagen production as some products claim?

Presenter: Greg Foot

Producer: Graihagh Jackson

Studio Manager: John Boland

Editor: Rami Tzabar

The Best Thing Since Sliced Bread is a BBC Science Radio Unit Production

From kombucha to collagen, activated charcoal to sports tape, Greg Foot is on a mission to bust the marketing BS, looking for the facts behind the fads and to challenge a product’s bold claims with scientific evidence.

Joined by leading experts and friends from the world of podcasting and social media, Greg investigates the latest crazes to hit the high street to work out if these wonder products really are the best thing since sliced bread.

(all subject to updates)